The file does not correspond to any known, legitimate password recovery software. Its name structure, lack of online presence, and ZIP distribution suggest it is highly likely to be malware disguised as a security tool.
This is the generation phase. The tool uses the GPU to calculate "chain files". Each chain file is 768 MB in size. These chains are the building blocks of the rainbow table. Because generating a complete set of chains is extremely time-consuming, the tool's community aspect encourages users to upload their generated chain files to the internet and share them with others. Csa Rainbow Table Tool V1.18 Zip